I am running a Hahn stage 1 @ 6 psi. My fuel pressure is good at idle but too high at full boost. Even with my regulator backked all the way down I'm still pushing over 100 psi. Is there any other reasons my fuel pressure would be too high? I mean besides a faulty reg?
2004 Yellow Cavy LS Sport
i know nothing of teh Hahn stage one, but does it have the port fueler or does it use a FMU for fuel mangement?
It has the FMU
2004 Yellow Cavy LS Sport
Why do you say its too high?
sig not found
There is a restrictor that came with your kit for the FMU. That will block some pressure and then you can readjust from there. Talk to the Hahn tech line and they can explain that to you.
"If you aren't shifting, then you certainly aren't driving!"
what fuel pressure reg are you running?
1989 Turbo Trans Am #82, 2007 Cobalt SS G85
